Apogee SQ-521 Manual - Página 8
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USING APOGEE QUANTUM SENSORS WITH ZENTRA SYSTEM
3. DATA INTERPRETATION
Apogee Quantum sensors used with the ZENTRA system report PPFD in units of micromoles
per square meter per second. Additionally, the sensor orientation information is provided
in the metadata tab of ZENTRA Cloud and ZENTRA Utility Microsoft
Sensor orientation is reported as the zenith angle in units of degrees, with a zenith angle of
0° indicating a sensor oriented straight up.
4. TROUBLESHOOTING
This troubleshooting section details possible major problems and their solutions. If the
problem is not listed or these solutions do not solve the issue, contact
Problem
Sensor not responding
Sensor values are not reasonable
Cable or stereo plug
connector failure
It is recommended that Apogee Quantum sensors are returned for factory recalibration every
2 years. Visit
Apogee repairs
Apogee Technical Support
5. CUSTOMER SUPPORT
NORTH AMERICA
Customer support representatives are available for questions, problems, or feedback
Monday through Friday, 7:00 am to 5:00 pm Pacific time.
Email:
Phone:
+1.509.332.5600
Table 2 Troubleshooting
Possible Solution
Check power to the sensor and logger.
Check sensor cable and stereo plug connector integrity.
Check that the SDI-12 address of the sensor is 0 (factory default).
Check this with ZENTRA Utility by going to Actions, select Digital
sensor terminal, choose the port that sensor is on, and send the
?I! command to the sensor from the dropdown menu.
Verify the sensor is not shaded.
Verify the angle of sensors.
If the stereo plug connector is damaged or needs to be replaced,
contact
Customer Support
splice kit.
If a cable is damaged refer to the METER
cable repair.
(apogeeinstruments.com/recalibration-and-repairs) or contact
([email protected]) for details.
6
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Excel
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file downloads.
Customer
for a replacement connector or
wire-splicing guide
Support.
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